<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      const obj = { node: { age: 123 }, data: [1, 2, 3] };
      // obj.node.age  obj.data

      // const {node: node, data: data} = { node: { age: 123 }, data: [1, 2, 3] }
      const { node, data } = { node: { age: 123 }, data: [1, 2, 3] };
      // node.age
    </script>
  </body>
</html>
